﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="MapArea.aspx.cs" Inherits="HNQXYJ.WJY.MapArea" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
  <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3">
  </script>
<style type="text/css">
body{font-size:13px;margin:10px}
#container{width:100%;height:700px;border:1px solid gray}
</style>

</head>
<body>
    <form id="form1" runat="server">
    <div id="container"></div>
    <br />
输入省、直辖市或县名称：<input type="text" id="districtName" style="width:80px" value="河南省">
<input type="button" onclick="getBoundary()" value="获取轮廓线">

<script type="text/javascript">
    var map = new BMap.Map("container");
    map.centerAndZoom(new BMap.Point(116.403765, 39.914850), 5);
    map.addControl(new BMap.NavigationControl({ type: BMAP_NAVIGATION_CONTROL_SMALL }));
    map.enableScrollWheelZoom();
   
    function getBoundary() {
        var bdary = new BMap.Boundary();
        var name = document.getElementById("districtName").value;
        bdary.get(name, function (rs) {       //获取行政区域
            map.clearOverlays();        //清除地图覆盖物       
            var count = rs.boundaries.length; //行政区域的点有多少个
            for (var i = 0; i < count; i++) {
                var ply = new BMap.Polygon(rs.boundaries[i], { strokeWeight: 8, strokeColor: "#ff0000" }); //建立多边形覆盖物
                ply.setFillColor();
                map.addOverlay(ply);  //添加覆盖物
                map.setViewport(ply.getPath());    //调整视野         
            }
        });
    }

</script>


    </form>
</body>
</html>
